import React, {Component} from 'react';
import {View, Text, Image, StyleSheet, Alert, ActivityIndicator, FlatList, RefreshControl} from 'react-native';
import {Flex, List, WingBlank, Toast} from '@ant-design/react-native';
import {getParkingOrderListForOwnerOfMy} from '~/api/parking';
import Developpark from '~/components/developpark';
import {connect} from 'react-redux';

let pagecount = 0;
let index = 1;
let size = 10;

const mapGetter = (state) => {
    return {
        userinfo: state.userinfo,
    };
};
class myparking extends Component {
    static navigationOptions = {
        title: '我的车位',
    };

    constructor(props) {
        super(props);
        this.state = {
            buylist: [],
            page_index: 1,
            page_size: 10,
            isLoading: false, //加载
            refreshing: false,
            footer: 0, //上拉底部显示
            condidate: {state: 0},
        };
        this.getbuylist();
    }
    getbuylist() {
        getParkingOrderListForOwnerOfMy({
            page_index: this.state.page_index,
            page_size: this.state.page_size,
        }).then((r) => {
            if (r.code === 0) {
                this.setState({
                    buylist: r.data.list,
                    footer: 0,
                });
                if (this.state.page_index === 1) {
                    pagecount = r.data.total_page_count;
                    this.setState({
                        footer: r.data.total_item_count < 10 ? 2 : 0,
                    });
                }
            } else {
                Toast.info(r.msg);
            }
        });
    }
    _onRefresh() {
        this.setState({footer: 0, page_index: index, page_size: size}, () => {
            this.getbuylist();
        });
    }
    //上拉加载更多
    loadData = () => {
        this.setState({isLoading: false});
        let dataArray = [];
        if (pagecount - 1 > 0) {
            pagecount = pagecount - 1;
            this.setState(
                {
                    page_index: this.state.page_index + 1,
                    footer: 1,
                },
                () => {
                    getParkingOrderListForOwnerOfMy({
                        page_index: this.state.page_index,
                        page_size: this.state.page_size,
                    }).then((r) => {
                        if (r.code === 0) {
                            dataArray = r.data.list;
                            dataArray = this.state.list.concat(dataArray);
                            this.setState({
                                list: dataArray,
                                isLoading: false,
                            });
                        } else {
                            Toast.info(r.msg);
                        }
                    });
                },
            );
        } else {
            this.setState({
                footer: 2,
            });
        }
    };

    //上拉底部显示
    genIndicator() {
        if (this.state.footer === 1) {
            return (
                <View style={styles.indicatorContainer}>
                    <ActivityIndicator style={styles.indicator} size={'large'} animating={true} />
                    <Text style={{textAlign: 'center'}}>正在加载更多</Text>
                </View>
            );
        } else if (this.state.footer === 2) {
            return (
                <View
                    style={{
                        height: 30,
                        alignItems: 'center',
                        justifyContent: 'flex-start',
                    }}>
                    <Text
                        style={{
                            color: '#999999',
                            fontSize: 14,
                            marginTop: 5,
                            marginBottom: 5,
                        }}>
                        没有更多数据了
                    </Text>
                </View>
            );
        } else if (this.state.footer === 0) {
            return (
                <View
                    style={{
                        height: 30,
                        alignItems: 'center',
                        justifyContent: 'flex-start',
                    }}>
                    <Text
                        style={{
                            color: '#999999',
                            fontSize: 14,
                            marginTop: 5,
                            marginBottom: 5,
                        }}>
                        上拉加载更多
                    </Text>
                </View>
            );
        }
    }
    _renderItem(item) {
        return (
            <Flex
                onPress={() => {
                    this.props.navigation.push('ParkInfo', {
                        parkingid: item.ParkingDataID,
                    });
                }}>
                <Developpark item={item} key={index} />
            </Flex>
        );
    }
    render() {
        return (
            <FlatList
                data={this.state.buylist}
                showsVerticalScrollIndicator={false}
                renderItem={(data) => this._renderItem(data.item)}
                keyExtractor={(item, index) => index}
                ListFooterComponent={() => this.genIndicator()} //上拉加载更多视图
                onEndReached={() => {
                    this.loadData();
                }}
                onEndReachedThreshold={0.1} // 这个属性的意思是 当滑动到距离列表内容底部不足 0.1*列表内容高度时触发onEndReached函数 为啥要加这个属性 因为不加的话滑动一点点就会立即触发onReached函数，看不到菊花加载中
                refreshing={true}
                refreshControl={
                    <RefreshControl
                        refreshing={this.state.refreshing}
                        onRefresh={() => {
                            this._onRefresh();
                        }}
                    />
                }
            />
        );
    }
}

export default connect(mapGetter)(myparking);

const styles = StyleSheet.create({
    scrollview: {
        flex: 1,
    },
    view: {
        width: '100%',
        height: '100%',
        flexDirection: 'column',
    },
    titText: {
        fontSize: 20,
        textAlignVertical: 'center',
    },
    tituserview: {
        width: '100%',
        marginTop: 15,
        flexDirection: 'row',
        justifyContent: 'center',
        textAlignVertical: 'center',
        alignItems: 'center',
    },
    titview: {
        justifyContent: 'flex-start',
        paddingLeft: 30,
    },
    titviews: {
        width: '100%',
        justifyContent: 'center',
        textAlignVertical: 'center',
        alignItems: 'center',
        paddingRight: 30,
    },
    titback: {
        fontSize: 15,
    },
    list: {
        width: '100%',
        flexDirection: 'column',
    },
    itenview: {
        width: '100%',
    },
    textview: {
        width: '80%',
        flexDirection: 'column',
    },
    textviews: {
        width: '100%',
        flexDirection: 'row',
    },
    image: {
        marginRight: 10,
    },
    imageview: {
        width: '25%',
        height: 100,
        justifyContent: 'center',
        textAlign: 'center',
        textAlignVertical: 'center',
    },
    button: {
        marginBottom: 20,
    },
    button1: {
        marginBottom: 20,
        backgroundColor: '#2574CE',
    },
    images: {
        width: 105,
        height: 105,
    },
    textfenge: {
        width: '100%',
        backgroundColor: '#F6F6F6',
        height: 2,
        marginTop: 20,
    },
});
